Latest posts
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Gematria Calculator
Calculate gematria values for any word or phrase in five ciphers, and compare two phrases for matches.
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Life Path Number Calculator
Work out your Life Path number the standard way, reducing month, day and year separately before summing.
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Life Path Calculator
Reduce your date of birth to a Life Path number, with master numbers preserved if you want them.
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Numerology Calculator
Get your Life Path, Expression, Soul Urge, Personality and Birthday numbers from your name and date of birth.
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CIDR Calculator
Convert a CIDR prefix into a subnet mask, address count and usable host range.
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Subnet Calculator
Work out network address, broadcast address, usable host range and subnet mask from any IP and prefix.
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Marketplace Fee Calculator
Work out what you actually keep after selling fees, payment processing and shipping, plus your break-even price.
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Roof Pitch Calculator
Convert between roof pitch and angle, then get rafter length, ridge height and total roofing area.
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Data Transfer Calculator
Convert between file size, connection speed and transfer time, in either direction.
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Download Time Calculator
Estimate how long a download or upload will take at your connection speed, allowing for real-world overhead.